Use icon active focus as color of animation button

Upgrade sentence-transformer, add einops dependency for some sentence
transformer models like nomic

…lity

The Khoj CSP interferes with other Obsidian features and plugins as
CSP is applied page wide.

For now chat message sanitization via Dompurify should suffice.

Enable CSP when can scope it to only the Khoj Obsidian plugin.

Minimize isage of innerHTML to prevent DOM clobbering and unintended
escape by user Input

- Do not log auth error message on server when Resend setup as Magic
  links for sign-in are now supported